The source current in the circuit shown is 3 cos 5000t A. a) What impedance should be connected across terminals a,b for maximum average power transfer? b) What is the average power transferred to the impedance in (a)? c) Assume that the load is restricted to pure resistance. What size resistor connected across a,b will result in the maximum aver- age power transferred? d) What is the average power transferred to the resistor in (c)? 3.6 mH 20 N 55 µF •b

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Synchronous Generator

In comparison to an asynchronous generator, it is a machine where the rotor speed is equal to the rotating magnetic field produced by the stator, i.e., mechanical speed is equal to the electrical speed, thus called synchronous, and not asynchronous.

Salient Pole Rotor

Salient pole rotor includes a large number of exposed poles mounted on a magnetic wheel. The construction of a bright pole is as shown in the image on the left. The proposed poles are made of metal laminations. The rotor winding is provided on these poles and is supported by pole shoes.